Mechanical Guru's

I.C.ENGINE AND GAS TURBINES ME 301 E PREVIOUS YEAR QUESTIONS OF ICGT    1.    Derive the terms compression ratio and pressure ratio. Derive the expression evaluate          efficiency work done of an otto cycle using above term.   (BT-5/D07)    2.   With the help of neat sketches, explain the actual sequence of events in the cylinder of a petrol engine working on four stroke cycle.   (BT-5/D06)    3.   Derive an expression for the mean effective pressure of the otto cycle.    4.   What is the difference between actual cycle and air standard cycle? (BT-5/D09)   5.   What are the main advantage and disadvantage of the CI engine as compare to SI engine. In this light discuss the field of application of the two engines. (BT-5/D11)    6.   Explain with suitable sketch the working of four stoke SI engine. (BT-5/D06)    7.  ...

THERMODYNAMICS  QUESTION PAPER Que – 1(a): DEFINE THE FOLLOWING                QUASI-STATIC PROCESS, THERMODYNAMIC EQUILIBRIUM, HEAT & WORK, INTENSIVE    AND EXTENSIVE PROPERTY Que – 1(b): IN A PISTON CYLINDER ARRANGEMENT, THE NON FLOW REVERSIBLE PROCESS IS GIVEN BY V = 200/PM 3 , WHERE P IS IN BAR, FIND THE WORK DONE WHEN THE PRESSURE INCREASES FROM 1 BAR TO 10 BAR. INDICATE THAT THE PROCESS IF COMPRESSION OR EXPANSION. QUE – 2(a): PROVE THAT THE MOLE FRACTION OF EACH CONSTITUENTS IN A MIXTURE OF PERFECT GASES IS THE SAME AS ITS VOLUME FRACTION AND ALSO, THE RATIO OF ITS PARTIAL PRESSURE TO THE TOTAL PRESSURE.   QUE – 2(b): A MIXTURE OF GASES HAVING 2 KG HE AND 5 KG N 2 AT 30 0 C AND 1 BAR IS COMPRESSED IN A REVERSIBLE ADIABATIC PROCESS TO 6 BAR. FIND:                    ...